[INFO] cloning repository https://github.com/rbutenuth/rfpl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbutenuth/rfpl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbutenuth%2Frfpl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbutenuth%2Frfpl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbfebe0a31f7197b784a645b0ea107ca3c54cdbd
[INFO] checking rbutenuth/rfpl against 615014f15745532730b9ce7a1d9309f8b4756f93 for pr-160491
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbutenuth%2Frfpl" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rbutenuth/rfpl
[INFO] finished tweaking git repo https://github.com/rbutenuth/rfpl
[INFO] tweaked toml for git repo https://github.com/rbutenuth/rfpl written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rbutenuth/rfpl on toolchain 615014f15745532730b9ce7a1d9309f8b4756f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rbutenuth/rfpl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2
[INFO] running `Command { std: "docker" "start" "77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rfpl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::position::Position`
[INFO] [stdout]  --> src/parser/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Token` and `Type`
[INFO] [stdout]  --> src/parser/parser.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::token::{Token, Type};
[INFO] [stdout]   |                    ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::position::Position`
[INFO] [stdout]  --> src/parser/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Token` and `Type`
[INFO] [stdout]  --> src/parser/parser.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::token::{Token, Type};
[INFO] [stdout]   |                    ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]  --> src/parser/token.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Type {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/parser/token.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `new_with_pos`, and `new_error` are never used
[INFO] [stdout]   --> src/parser/token.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Token {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] 51 |     pub fn new(t_type: Type) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn new_with_pos(t_type: Type, position: Position) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn new_error(message: String, position: Position) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScanError` is never constructed
[INFO] [stdout]  --> src/parser/scanner.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct ScanError {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CharWithPosition` is never constructed
[INFO] [stdout]  --> src/parser/scanner.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CharWithPosition {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NON_SYMBOL_CHARS` is never used
[INFO] [stdout]   --> src/parser/scanner.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const NON_SYMBOL_CHARS: &str = "'\"()[] {}:;";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ILLEGAL_CHARS` is never used
[INFO] [stdout]   --> src/parser/scanner.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const ILLEGAL_CHARS: &str = "[]{}:"; // reservered for future use
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]   --> src/parser/scanner.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Scanner {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/parser/scanner.rs:25:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Scanner {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  25 |     pub fn from_named_source(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     pub fn from_anonymous_source(chars: Box<dyn Iterator<Item = char>>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  55 |     pub fn from_str(source: &str) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     fn eof(&self) -> bool {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     fn move_one_char(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn read_char(&mut self) -> Option<CharWithPosition> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn current_char(&self) -> char {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn current_position(&mut self) -> Position {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn current_char_is(&mut self, ch: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn current_char_is_whitespace(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn char_is_digit(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn next_char_is_digit(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn current_char_is_symbol_char(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn skip_rest_of_line(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn skip_comment(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     fn symbol(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     fn text(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn number(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn decode_escape_sequence(&mut self) -> Result<char, ScanError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 280 |     fn read_hex_sequence(&mut self, number_of_hex_digits: usize) -> Result<char, ScanError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 304 |     fn parse_hex_digit(&self, ch: char) -> Result<u32, ScanError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]  --> src/parser/position.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Position {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `anonymous_start`, and `anonymous` are never used
[INFO] [stdout]   --> src/parser/position.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Position {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new(name: Rc<String>, line: u32, column: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn anonymous_start() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn anonymous(line: u32, column: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2", kill_on_drop: false }`
[INFO] [stdout] 77f501d2fe9e80ff1552283e00cf54ede838515b314b569529dbe47fe1844cd2
